VA to Watts Calculator

Convert apparent power to real power.

Free · instant · private

Apparent Power

Power Factor

Real Power

Watts

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Reference & Formula

Engineering reference

Formula

W = VA × PF

Explained

Real power (watts) equals apparent power (VA) multiplied by power factor. Solar inverters typically operate at PF 0.9-1.0.

Used For

Inverter sizing, UPS selection, commercial load spec sheets

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